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Filters Date Range Past year (2) Past month (0) Past week (0) Past day (0) Custom range... To   Search Extensions Project (2) Shapefile (2) Types Downloadable (2) Map Service (2) OGC WFS Layer (2) OGC WMS Layer (2) Contacts New York Water Science Center Paul M Heisig Michael R McHale Tia-Marie Scott Categories Data (2) Project (2) Tag Types Label (4) Tags (with Scheme=https://www.sciencebase.gov/vocab/category/WRET/WRET_Theme/WRET_Theme_NYWSC) water quality (2) ecosystem health (1) water use and availability science (1) View Results as: JSON ATOM CSV

Natural Methane Occurrence in Water Wells of South-Central New York State- Evaluation of Topographic Position and Hydrogeologic Setting INTRODUCTION Naturally occurring methane has been noted at some locations in the upper Devonian shale bedrock and in overlying glacial deposits in parts of Broome, Tioga, and Chemung Counties in south-central New York State (Williams, 2010). Systematic sampling of water wells for dissolved methane is needed to determine if the topographic and hydrogeologic setting of a well is related to methane occurrence. Objective and Study Area - The objective of this study is to characterize the natural occurrence of dissolved methane gas in groundwater from water wells within four different topographic and hydrogeologic settings (upland and major valley areas where bedrock is confined or unconfined by glacial deposits).... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Broome County, Chemung County, Completed, Contaminants, Natural, Contaminants, Natural, All tags... Contaminants, natural, Cooperative Water Program, Focused Assessments, Focused Assessments, Focused Assessments, Focused Assessments, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Groundwater-Quality Monitoring, Hydrofracking, Hydrofracking, Hydrofracking, Hydrogeologic Characterization, Hydrogeologic Characterization, Hydrogeologic Characterization, New York, Tioga County, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water Quality, Water Use and Availability Science, Water Use and Availability Science, Water quality, methane, Fewer tags Mercury concentration in water, sediment, and fish in the Neversink watershed, New York The distribution of mercury (Hg) and sites of greatest Hg methylation are poorly understood in Catskill Mountain watersheds. Although concentrations of Hg in the water column are low, high concentrations of Hg in smallmouth bass and walleye have led to consumption advisories in most large New York City reservoirs in the Catskill Mountains. Mercury in natural waters can exist in many forms, including gaseous elemental mercury (Hg0), dissolved and particulate inorganic forms (Hg(II)), and dissolved and particulate methylmercury (MeHg). Most Hg in living organisms is MeHg, a highly neurotoxic form that bioaccumulates in aquatic food webs. The production of MeHg by methylation of inorganic Hg in the environment... Categories: Data, Project; Types: Downloadable, Map Service, OGC WFS Layer, OGC WMS Layer, Shapefile; Tags: Catskill Mountains, Completed, Cooperative Water Program, Ecological Assessment of Human and Natural Impacts, Ecological Assessment of Human and Natural Impacts, All tags... Ecological Assessment of Human and Natural Impacts, Ecosystem Health, Ecosystem Health, Focused Assessments, Focused Assessments, Focused Assessments, Neversink River, New York, Surface-Water Quality Monitoring, Surface-Water Quality Monitoring, Surface-Water-Quality Monitoring, USGS New York Water Science Center, WSC, Water Quality, Water Quality, Water Quality, Water quality, mercury,sediment,fish, Fewer tags